210725480

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{15359}}^1$

素因数の和:15391

約数の個数: 64

約数和(自身を含む): 552960000

約数和(自身を除く): 342234520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1960, 2744, 3430, 6860, 13720, 15359, 30718, 61436, 76795, 107513, 122872, 153590, 215026, 307180, 430052, 537565, 614360, 752591, 860104, 1075130, 1505182, 2150260, 3010364, 3762955, 4300520, 5268137, 6020728, 7525910, 10536274, 15051820, 21072548, 26340685, 30103640, 42145096, 52681370, 105362740, 210725480]

約数ペア:

[(1, 210725480), (2, 105362740), (4, 52681370), (5, 42145096), (7, 30103640), (8, 26340685), (10, 21072548), (14, 15051820), (20, 10536274), (28, 7525910), (35, 6020728), (40, 5268137), (49, 4300520), (56, 3762955), (70, 3010364), (98, 2150260), (140, 1505182), (196, 1075130), (245, 860104), (280, 752591), (343, 614360), (392, 537565), (490, 430052), (686, 307180), (980, 215026), (1372, 153590), (1715, 122872), (1960, 107513), (2744, 76795), (3430, 61436), (6860, 30718), (13720, 15359)]